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Study aim
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Evaluation of the interactional effects of 8 weeks of vitamin D supplementation and aerobic training on the fatty liver level, serum levels of liver enzymes (ALT and AST), lipid profile, and body composition in elderly women with Nonalcoholic fatty liver and vitamin D deficiency
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Design
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Clinical trials with a control group, and purposive sampling model
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Settings and conduct
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This clinical trial study will be conducted on the effects of aerobic training with Vit D supplementation on NAFLD patients in pre-test and post-test form.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria will be include ultrasound (US) confirmation of being in second or third grade of NAFLD and certified by an internist, 25-OHD serum levels between 10 and 20 ng/ml, not having a specific diet and regular exercise program in the past year. Exclusion criteria include; significant consumption of alcohol more than 20 gr per day, presence of other liver diseases (B and C hepatitis), other disorders such as autoimmune hepatitis and ..., also surgical treatment of obesity or severe weight loss, and the presence of any other chronic disease or skeletal disorders
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Intervention groups
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Aerobic training (placebo); Vitamin D supplementation (no AT); Aerobic training with vitamin D supplements (AT+Vit D); and Control (placebo+no AT).
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Main outcome variables
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Vitamin D levels, liver fat levels, serum levels of liver enzymes, lipid profiles, body composition, blood pressure, insulin, glucose